package com.baizhi.Intercepter;

import com.baizhi.entity.User;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

@Component
public class MyInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws IOException {
        HttpSession session = request.getSession();
        User user =(User) session.getAttribute("user");
        if(user!=null){
            return true;
        }
        response.sendRedirect(request.getContextPath()+"/login.jsp");
        return false;
    }
}
